public static PdfReader CreatePdfReaderFromImage(byte[] sourceBytes, Rectangle pageSize, Margins margins)
{
Image image = Image.GetInstance(sourceBytes);
if (pageSize == null)
{
pageSize = new Rectangle(image.ScaledWidth + margins.Left + margins.Right + 1, image.ScaledHeight + margins.Top + margins.Bottom + 1);
}
else
{
//Р}ВћСеВЂВ≥
float width = pageSize.Width - (margins.Left + margins.Right + 1);
float height = pageSize.Height - (margins.Top + margins.Bottom + 1);
if (width <= 0 || height <= 0)
{
throw new IOException("Margin is too big.");
}
image.ScaleToFit(width, height);
}
using (var document = new Document(pageSize, margins.Left, margins.Right, margins.Top, margins.Bottom))
{
using (var stream = new MemoryStream())
{
using (var writer = PdfWriter.GetInstance(document, stream))
{
document.Open();
document.Add(image);
document.Close();
}
var pdfArray = stream.ToArray();
return(new PdfReader(pdfArray));
}
}
}
internal static PdfReader CreatePdfReaderFromTiff(byte[] sourceBytes, Rectangle pageSize, Margins margins)
{
using (var document = new Document())
{
using (var stream = new MemoryStream())
{
using (var writer = PdfWriter.GetInstance(document, stream))
{
var ra = new RandomAccessFileOrArray(sourceBytes);
int numberOfPages = TiffImage.GetNumberOfPages(ra);
for (int i = 1; i <= numberOfPages; i++)
{
var image = TiffImage.GetTiffImage(ra, i);
Rectangle currentPageSize = pageSize == null ? new Rectangle(image.ScaledWidth + margins.Left + margins.Right + 1, image.ScaledHeight + margins.Top + margins.Bottom + 1) : pageSize;
document.SetPageSize(currentPageSize);
document.SetMargins(margins.Left, margins.Right, margins.Top, margins.Bottom);
if (i == 1)
{
document.Open();
}
else
{
document.NewPage();
}
if (pageSize != null)
{
float width = pageSize.Width - (margins.Left + margins.Right + 1);
float height = pageSize.Height - (margins.Top + margins.Bottom + 1);
if (width <= 0 || height <= 0)
{
throw new IOException("Margin is too big.");
}
image.ScaleToFit(width, height);
}
document.Add(image);
}
document.Close();
ra.Close();
}
var pdfArray = stream.ToArray();
return(new PdfReader(pdfArray));
}
}
}
